Unit4 Amazing plants and animals. Section B( Vocabulary in use 2a-2d)公开课课件 人教版八年级上册

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Unit4 Amazing plants and animals. Section B( Vocabulary in use 2a-2d)公开课课件 人教版八年级上册

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Unit 4 Amazing Plants and Animals
SectionB (Vocabulary in Use 2a -2d)
一、语言能力
学生能准确完成2a词汇分类并说明理由,熟练运用2b中后缀进行词性转
换,正确用目标词汇完成2c句子和2d语篇填空 。
二、学习能力
提升词汇辨析、词性转换、语境运用能力,增强语言逻辑思维和综合表
达力 。
三、文化意识
借生态主题内容,增强生态保护意识,激发英语学习兴趣,培养团队协
作和自主探究精神 。
四、思维品质
能结合文本内容续写关于蜜蜂的段落,分析蜜蜂保护措施以及数量下降
的影响,并与同伴分享,提升对 “人与自然” 联系的理解。
What do ‘height, size, weight’ have in common ”
“事物的物理特征、度量” 有关
weight 是重量
height 身高 / 高度
size 是 尺寸/大小
Group 1
habit , height, size, weight
Which three words do you think have in common ”
odd
What do ‘joy happiness fun’ have in common ”
They are all positive emotional experiences.
Joy
happiness
fun
joy happiness fun enjoy
Group 2
Which three words do you think have in common ”
odd
What do ‘angry, sad, disappointed’ have in common ”
They are all bad feeling experiences
angry, sad, smart, disappointed
Group 3
Which three words do you think have in common ”
odd
He appears disappointed.
She looks angry .
He seems sad.
What do ‘appear, look, seem’ have in common ”
给人某种印象、传达一种主观判断或呈现出某种状态” 的含义
appear, look, seem, watch
Group 4
Which three words do you think have in common ”
odd
What do ‘honey, juice, milk’ have in common ”
They are all liquids for drinking
honey, juice, milk, bread
Group 5
Which three words do you think have in common ”
odd
Circle the odd ones. Then give your reasons we just learned .
奇怪的;古怪的
[ h b t] 习惯
动词
行为动作动词
固体
2a
happiness
performance
reality
education
movement
decision
Do you know these nouns
Are they the original forms or changed ones
We can change verbs/adjectives into nouns by adding suffix.
We can add suffixes to their endings
[ s f ks] 后缀
happy (adj.) + -ness → happiness (n.)
perform (v.) → performance (n.)
educate (v.) → education (n.)
real (adj.) → reality
move(v.)-movement (n.)
decide(v.)-decision (n.)
Add the endings -ance, -(t) ion, -ness, and -ity to form nouns. Use your dictionary.
2b
1. act _________________ 2. good _________________
3. kind _________________ 4. appear _________________
5. real _________________ 6. imagine _________________
7. connect _________________ 8. popular _________________
9. communicate _________________ 10. important _________________
action
goodness
kindness
appearance
reality
imagination
connection
popularity
communication
importance
Let’s summarize
act:Bees’ ______ of pollinating flowers helps plants grow.
good:The ______ of protecting bees makes nature better.
kind:______ to small animals like bees is important.
appear:The ___________ of many birds in the forest is lovely.
real:The ___________ is that bees are key to our ecosystem.
action
goodness
kindness
appearance
reality
Let’s practice
imagine:Children’s ___________ about bee worlds is fun.
connect:The ___________ between bees and flowers is vital.
popular:The ____________ of bee - friendly flowers is growing.
communicate:Bees’ _____________ through dances is amazing.
important:The _____________ of bees to nature can’t be ignored.
imagination
connection
popularity
communication
importance
Let’s practice
Complete the sentences with the correct forms of the words in the box.
2c
1. I felt ________________ when my favourite flowers died.
2. After the rain, some mushrooms ________________ in the garden.
3. In my hometown, people often use bamboo baskets to ________________ food.
4. What did you put in your luggage It ________________ a ton.
5. I can’t ________________ my life without my pets. They mean a lot to me.
appear disappoint imagine store weigh
disappointed
appear
store
weighs
imagine
/ m r m /
n. 蘑菇;伞菌
ton /t n/ n. 吨
Complete the sentences with the correct forms of the words in the box.
2c
1. I felt ________________ when my favourite flowers died.
2. After the rain, some mushrooms ________________ in the garden.
3. In my hometown, people often use bamboo baskets to ________________ food.
4. What did you put in your luggage It ________________ a ton.
5. I can’t ________________ my life without my pets. They mean a lot to me.
appear disappoint imagine store weigh
disappointed
appear
store
weighs
imagine
/ m r m /
n. 蘑菇;伞菌
ton /t n/ n. 吨
feel感官动词后+形容词
句中缺乏谓语动词
use... to do...固定用法,用...来做...
句中缺少谓语动词
can情态动词+动词原形
the size of a pea
the size of a hand
Frogs play an important role in our ecosystem.
[ i k s st m] 生态系统
the smallest
the biggest
Complete the passage with the correct forms of the words in the box.
2d
You may not realize it, but frogs play an important role in our ____________ ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand. Many people know that frogs help to ____________ farms by eating insects. ____________, not everyone understands their ____________ in nature. Frogs can live on ____________ and in water. Because of this, they are popular subjects in studies on climate change and the ecosystem.
however important land planet protect
planet's
protect
However
importance
land
在...中扮演一个重要的角色
...的尺寸
然而...表“对比”
by...借助...方式 ,方式状语
名词前面需要形容词修饰
help to do...帮助做...
联系上下文,确定转折关系
形容词性物主代词+ 名词
固定短语 ,居住在...
There are many1.____________plants and animals in the world.
The blue whale isknown as the 2.__________and 3.__________animal on the planet.It can weigh up to 200 tons.
Bamboo, on the other hand,is one of the 4._______________plants. People can use it 5.___________ houses, make tools, and even create art.
Bees play a crucial role in the ecosystem. Their greatest work is pollination. Without bees, about 80 per cent of the plants in the world would have trouble 6.__________. They are also among the 7.____________________ animals because of their unique way of communication. When a bee finds food, it 8._______a dance to tell others.
Ginkgo trees are some of the 9.________________living trees on earth. They first appeared over 200 million years ago. Chinese people love them as they are10._____symbol of hope and long life.
Exercise
用方框中所给词的正确形式补全短文。(每词限用一次)
a
amazing
largest
heaviest
most useful
to build
growing
most interesting
uses
most ancient
Homework
一、基础性作业
词汇分类速答
每组单词中圈出不同类的词,在横线上写理由(限 10 字内):
① appear, look, seem, watch → 不同类:______ 理由:______
② honey, milk, juice, bread → 不同类:______ 理由:______
后缀转换与填空
给单词加后缀变名词,填入句子空白处:
kind → : to pets makes them happy.
imagine → ______:Children’s ______ about space is wonderful.
Why should we do more exercises
Because doing more exercises helps us better understand and master knowledge.
Thank you for listening

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